剛玉石 的英文怎麼說
中文拼音 [gāngyùdàn]
剛玉石
英文
corundum-
The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted
分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮（鉭）鐵礦包裹體為主，而巨晶中的「晶核」部位則以大量的熔體包裹體為主，反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中，而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中Effect of spinel addition on property of chrome - corundum castable
尖晶石加入量對鉻剛玉澆注料性能的影響Pleochroism and pleochroism ' s formation mechanism of gem quality corundum
剛玉族寶石的多色性及形成機理Taking the brown alumina powder and french chalk as the refractory, the silicasol and dextrin as the composite binder, the western bentonite and sodium carboxymethyl cellulose ( cmc ) as the composite suspension agent, the optimum mixing ratio of the water - based coating was established by the method of orthogonal experiments
摘要選用棕剛玉粉及滑石粉為耐火填料，以硅溶膠及糊精為復合粘結劑，以鈉基膨潤土和羧甲基纖維素鈉（ cmc ）為復合懸浮劑，通過正交試驗方法確定了最佳配方。Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using kaolinite showed that corundum - mullite - gahnite multiphase materials with the apparent porosity less than 5 % can be obtained through sintering at 1700 for 3h
在1700下保溫3h ，能夠一步合成出顯氣孔率在5以下的剛玉?莫來石?鋅鋁尖晶石復相材料，各物相間結合緊密，發育較好。Study on the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process using kaolinite as raw material showed that impurities introduced by kaolinite mainly increased the liquid amount at high temperature, which can assist sintering of specimen. the experiment results indicated that the samples with lower gahnite content had better sinterability than others. however, if the gahnite content was relative high, the promoting effect on sinterability caused by kaolinite was not significant
採用天然原料高嶺土二步煅燒合成剛玉?莫來石?鋅鋁尖晶石復相材料研究發現：天然原料中帶入的雜質主要是增加液相量，促進高溫下試樣的燒結；當尖晶石含量較低時，試樣在1300保溫2h時，在1600燒后試樣燒結性能相比之下較好；而當鋅鋁尖晶石含量較高時，天然料對試樣的促燒作用不是非常明顯。Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h
二次煅燒及正交實驗合成復相材料研究表明：輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著；通過輕燒保溫時間的進一步研究表明：含剛玉、莫來石、鋅鋁尖晶石的復相材料，在輕燒溫度為1300 、終燒條件為1600下保溫3h時，最佳的保溫時間為1小時左右。Based on the review, the main objectives of this work had been determined. the thermodynamic analysis indicated that corundum - mullite - gahnite multiphase materials can be synthesized. the investigation of x - ray diffraction ( xrd ) and scan electron microscope ( sem ) proved the validity of thermodynamics research
通過對al _ 2o _ 3 - sio _ 2 - zno體系相關反應熱力學的計算表明能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料， x ?射線衍射（ xrd ）和掃描電子顯微鏡（ sem ）的研究證實了熱力學計算的可靠性。It is well known that there exists a composition triangle in phase diagram for ternary system of al2o3 - sio2 - zno, responding to three high temperature phases of corundum, mullite and gahnite. through control of chemical composition and technical process, it is possible to synthesize corundum - mullite - gahnite multiphase materials theoretically
在al _ 2o _ 3 - sio _ 2 - zno三元系中，存在著一個對應剛玉、莫來石和鋅鋁尖晶石三物相的分三角形，在適當的配料組成和工藝條件下，是能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料。Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using high purity raw materials showed that the more the content of gahnite in multiphase materials, the high the volume expansion would be introduced in the system, which resulted in the sintering difficulty of the multiphase materials. while the content of gahnite was controlled about 30wt % and the content of mullite was about 70wt %, the densified multiphase materials can be obtained after fired at 1600 or 1700
採用高純原料一步合成剛玉?莫來石?鋅鋁尖晶石復相材料研究表明：復相材料中鋅鋁尖晶石含量越高，則合成鋅鋁尖晶石時產生的體積膨脹越大，燒結性也就越差；當鋅鋁尖晶石含量為30wt ，莫來石含量較高為70wt左右時，在1600或1700燒后都能得到顯微結構較為緻密的復相材料。Miscellany - the red corundum grains in some of the ruby. . zoisite rocks have corona like shell consisting of an off - white to yellowish material that, according to chris wright of wright ' s rock shop, hot springs, arkansas ( personal communication, july, 2005 ) are " variations in the zoisite "
備注：在某些紅寶石里有紅剛玉的交叉雙晶，有的黝簾石巖石有象貝殼樣的冠狀物，顏色為白色到淡黃色，屬於一種變種的黝簾石。The key products of the company are high alumina brick, fireclay brick, phosphate - bonded wearable brick, exfoliation - resistant high alumina brick, high refractoriness under load brick, corundum brick, magnesite brick, magnesite ? chrome brick, series of corundum, sic furnace chamber and pipe, ceramisite brick, corundum - mullite brick, corundum - chrome brick, sillimanite brick, magnesite alumina spinel brick, acid - resistant brick, alkali - resistant brick, zirconia - corundum brick, alumina bubble products, series thermal insulating refractory products, high alumina castable, corundum castable, corundum ramming, brown - corundunm castable, sic castable, low - cement castable, alkali ? resistant castable, light silica alumina products, stainless steel fibre reinforced castable, etc
主要產品有：高鋁質磚、粘土質磚、磷酸鹽耐磨磚、抗剝落磚、高荷軟磚、剛玉磚、碳化硅磚、鎂磚、鎂鉻磚、各種剛玉、 sic爐膛、爐管製品、陶粒磚、剛玉莫來石磚、鉻剛玉磚、硅線石磚、鎂鉻尖晶石磚、耐酸磚、耐堿磚、鋯剛玉磚、氧化鋁空心球製品及各種輕質保溫材料、高鋁質澆注料和剛玉澆注料、搗打料、棕剛玉澆注料、碳化硅澆注料，低水泥澆注料、抗堿性澆注料、輕質硅酸鋁製品、鋼纖維增強澆注料等80餘種系列耐火材料。We have our own processing factory with a team of 9, 000 workers, and we are capable of manufacturing synthetic cut stones cubic zirconia, glass, red corundum, synthetic spinelle, etc of many shapes and colors in series. they are graded into aaa, aa, a, ab, b, etc
富寶寶石工藝有限公司自設加工廠，還擁有一支總人數超過九千多人的特約加工隊伍，生產能力強大，能生產各種形狀和顏色的人造寶石立方氧化鋯玻璃紅剛玉合成尖晶等系列產品，產品等級分為： aaa aa a ab b級等。Bonded abrasive products. alumimium oxide sintered stick
普通磨具.燒結剛玉磨石This was tess durbeyfield s habit, her temple pressing the milcher s flank, her eyes fixed on the far end of the meadow with the quiet of one lost in meditation. she was milking old pretty thus, and the sun chancing to be on the milking - side it shone flat upon her pink - gowned form and her white curtain - bonnet, and upon her profile, rendering it keen as a cameo cut from the dun background of the cow
她就是用這樣的姿勢為老美人擠奶的，太陽剛好照在擠奶的這一邊，太陽的光線一直射到她穿粉紅裙子的身上，射到她戴的有帽檐的白色帽子上，照亮了她的側面身影，使她看上去就像是從奶牛的黃褐色背景上雕刻出來的一尊玉石浮雕像。Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves
用於高爐、熱風爐砌築剛玉磚、莫來石磚、硅線石磚、低蠕變高鋁磚。Padparadja sapphires are very rare, and the exact definition has always been a matter of debate : different dealers and laboratories around the world disagree on the exact colour denoted by this term
帕德馬剛玉是極為稀有的。世界上不同的寶石商和實驗室研究者，一直爭議With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體（ - al _ 2o _ 3 ）不僅由於其色澤艷麗成為人們珍愛的名貴寶石，而且由於它具有的優異性能，被廣泛應用於電工、機械、激光器，光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料，用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料（禁帶寬度3 . 37ev ） ，現已發現具有室溫下受激發射特性，有可能實現室溫下半導體紫外發光。Ruby is the red variety of the mineral corundum, one of the hardest minerals on earth, of which the sapphire is also a variety
紅寶石的礦物名稱為剛玉，其硬度是地球上硬度最佳的礦物之一，而藍寶石也屬剛玉家族。在摩氏硬度表中剛玉的硬度是被列為Research and development of high - quality gemstone crystals grown by hydrothermal method
剛玉類和綠柱石類寶石晶體分享友人